Advances have been made in the diagnosis, management and pathogenesis of chronic cough in recent years. To better present the current progress achieved both in China and abroad, the Asthma Group of Chinese Thoracic Society organized experts from various disciplines, including respiratory medicine, gastroenterology, reflux surgery, otorhinolaryngology, pediatrics and traditional Chinese medicine, to update the Chinese national guideline on diagnosis and management of cough(2015). In this new version of guideline, previous evidence quality and recommendation strength were re-evaluated and updated, meanwhile some new recommendations were added, and certain previous recommendations were deleted. In general, the basic structure of the latest version remained the same as the previous version, which includes definitions, epidemiology and pathogenesis of chronic cough, investigations, evaluations of chronic cough, diagnosis and management of acute cough, subacute cough and chronic cough, and empirical and symptomatic treatment of chronic cough, etc.